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From: Stefano Stabellini <sstabellini@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	benh@kernel.crashing.org, paulus@samba.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	sstabellini@kernel.org, Robin Murphy <robin.murphy@arm.com>,
	grant.likely@arm.com, xypron.glpk@gmx.de,
	Thierry Reding <treding@nvidia.com>,
	mingo@kernel.org, bauerman@linux.ibm.com, peterz@infradead.org,
	Greg KH <gregkh@linuxfoundation.org>,
	Saravana Kannan <saravanak@google.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	heikki.krogerus@linux.intel.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-devicetree <devicetree@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	linuxppc-dev@lists.ozlabs.org, xen-devel@lists.xenproject.org,
	Nicolas Boichat <drinkcat@chromium.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	tfiga@chromium.org, bskeggs@redhat.com, bhelgaas@google.com,
	chris@chris-wilson.co.uk, daniel@ffwll.ch, airlied@linux.ie,
	dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
	jani.nikula@linux.intel.com, jxgao@google.com,
	joonas.lahtinen@linux.intel.com, linux-pci@vger.kernel.org,
	maarten.lankhorst@linux.intel.com, matthew.auld@intel.com,
	rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com
Subject: Re: [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Thu, 17 Jun 2021 16:30:50 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2106171444510.24906@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210617062635.1660944-4-tientzu@chromium.org>

On Thu, 17 Jun 2021, Claire Chang wrote:
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
> 
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>

Acked-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  drivers/base/core.c    | 4 ++++
>  include/linux/device.h | 4 ++++
>  kernel/dma/swiotlb.c   | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index f29839382f81..cb3123e3954d 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -27,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
>  
> @@ -2736,6 +2737,9 @@ void device_initialize(struct device *dev)
>      defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
>  	dev->dma_coherent = dma_default_coherent;
>  #endif
> +#ifdef CONFIG_SWIOTLB
> +	dev->dma_io_tlb_mem = io_tlb_default_mem;
> +#endif
>  }
>  EXPORT_SYMBOL_GPL(device_initialize);
>  
> diff --git a/include/linux/device.h b/include/linux/device.h
> index ba660731bd25..240d652a0696 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -416,6 +416,7 @@ struct dev_links_info {
>   * @dma_pools:	Dma pools (if dma'ble device).
>   * @dma_mem:	Internal for coherent mem override.
>   * @cma_area:	Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:	For arch-specific additions.
>   * @of_node:	Associated device tree node.
>   * @fwnode:	Associated device node supplied by platform firmware.
> @@ -518,6 +519,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>  	struct cma *cma_area;		/* contiguous memory area for dma
>  					   allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +	struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>  	/* arch specific additions */
>  	struct dev_archdata	archdata;
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 2dba659a1e73..de79e9437030 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -340,7 +340,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>  			   enum dma_data_direction dir)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>  	unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
>  	phys_addr_t orig_addr = mem->slots[index].orig_addr;
> @@ -431,7 +431,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>  		size_t alloc_size)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned long boundary_mask = dma_get_seg_boundary(dev);
>  	dma_addr_t tbl_dma_addr =
>  		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -508,7 +508,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>  		size_t mapping_size, size_t alloc_size,
>  		enum dma_data_direction dir, unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>  	unsigned int i;
>  	int index;
> @@ -559,7 +559,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>  			      size_t mapping_size, enum dma_data_direction dir,
>  			      unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>  	unsigned long flags;
>  	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>  	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> -- 
> 2.32.0.288.g62a8d224e6-goog
> 

WARNING: multiple messages have this Message-ID
From: Stefano Stabellini <sstabellini@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	joonas.lahtinen@linux.intel.com, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	Joerg Roedel <joro@8bytes.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	jxgao@google.com, daniel@ffwll.ch, Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	maarten.lankhorst@linux.intel.com, airlied@linux.ie,
	Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Rob Herring <robh+dt@kernel.org>,
	rodrigo.vivi@intel.com, bhelgaas@google.com,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	tfiga@chromium.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Thu, 17 Jun 2021 16:30:50 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2106171444510.24906@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210617062635.1660944-4-tientzu@chromium.org>

On Thu, 17 Jun 2021, Claire Chang wrote:
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
> 
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>

Acked-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  drivers/base/core.c    | 4 ++++
>  include/linux/device.h | 4 ++++
>  kernel/dma/swiotlb.c   | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index f29839382f81..cb3123e3954d 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -27,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
>  
> @@ -2736,6 +2737,9 @@ void device_initialize(struct device *dev)
>      defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
>  	dev->dma_coherent = dma_default_coherent;
>  #endif
> +#ifdef CONFIG_SWIOTLB
> +	dev->dma_io_tlb_mem = io_tlb_default_mem;
> +#endif
>  }
>  EXPORT_SYMBOL_GPL(device_initialize);
>  
> diff --git a/include/linux/device.h b/include/linux/device.h
> index ba660731bd25..240d652a0696 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -416,6 +416,7 @@ struct dev_links_info {
>   * @dma_pools:	Dma pools (if dma'ble device).
>   * @dma_mem:	Internal for coherent mem override.
>   * @cma_area:	Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:	For arch-specific additions.
>   * @of_node:	Associated device tree node.
>   * @fwnode:	Associated device node supplied by platform firmware.
> @@ -518,6 +519,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>  	struct cma *cma_area;		/* contiguous memory area for dma
>  					   allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +	struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>  	/* arch specific additions */
>  	struct dev_archdata	archdata;
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 2dba659a1e73..de79e9437030 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -340,7 +340,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>  			   enum dma_data_direction dir)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>  	unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
>  	phys_addr_t orig_addr = mem->slots[index].orig_addr;
> @@ -431,7 +431,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>  		size_t alloc_size)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned long boundary_mask = dma_get_seg_boundary(dev);
>  	dma_addr_t tbl_dma_addr =
>  		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -508,7 +508,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>  		size_t mapping_size, size_t alloc_size,
>  		enum dma_data_direction dir, unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>  	unsigned int i;
>  	int index;
> @@ -559,7 +559,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>  			      size_t mapping_size, enum dma_data_direction dir,
>  			      unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>  	unsigned long flags;
>  	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>  	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> -- 
> 2.32.0.288.g62a8d224e6-goog
> 

WARNING: multiple messages have this Message-ID
From: Stefano Stabellini <sstabellini@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, joonas.lahtinen@linux.intel.com,
	dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
	grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, sstabellini@kernel.org,
	Saravana Kannan <saravanak@google.com>,
	mpe@ellerman.id.au,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	jxgao@google.com, daniel@ffwll.ch, Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	maarten.lankhorst@linux.intel.com, airlied@linux.ie,
	Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Rob Herring <robh+dt@kernel.org>,
	rodrigo.vivi@intel.com, bhelgaas@google.com,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Thu, 17 Jun 2021 16:30:50 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2106171444510.24906@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210617062635.1660944-4-tientzu@chromium.org>

On Thu, 17 Jun 2021, Claire Chang wrote:
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
> 
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>

Acked-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  drivers/base/core.c    | 4 ++++
>  include/linux/device.h | 4 ++++
>  kernel/dma/swiotlb.c   | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index f29839382f81..cb3123e3954d 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -27,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
>  
> @@ -2736,6 +2737,9 @@ void device_initialize(struct device *dev)
>      defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
>  	dev->dma_coherent = dma_default_coherent;
>  #endif
> +#ifdef CONFIG_SWIOTLB
> +	dev->dma_io_tlb_mem = io_tlb_default_mem;
> +#endif
>  }
>  EXPORT_SYMBOL_GPL(device_initialize);
>  
> diff --git a/include/linux/device.h b/include/linux/device.h
> index ba660731bd25..240d652a0696 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -416,6 +416,7 @@ struct dev_links_info {
>   * @dma_pools:	Dma pools (if dma'ble device).
>   * @dma_mem:	Internal for coherent mem override.
>   * @cma_area:	Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:	For arch-specific additions.
>   * @of_node:	Associated device tree node.
>   * @fwnode:	Associated device node supplied by platform firmware.
> @@ -518,6 +519,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>  	struct cma *cma_area;		/* contiguous memory area for dma
>  					   allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +	struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>  	/* arch specific additions */
>  	struct dev_archdata	archdata;
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 2dba659a1e73..de79e9437030 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -340,7 +340,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>  			   enum dma_data_direction dir)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>  	unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
>  	phys_addr_t orig_addr = mem->slots[index].orig_addr;
> @@ -431,7 +431,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>  		size_t alloc_size)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned long boundary_mask = dma_get_seg_boundary(dev);
>  	dma_addr_t tbl_dma_addr =
>  		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -508,7 +508,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>  		size_t mapping_size, size_t alloc_size,
>  		enum dma_data_direction dir, unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>  	unsigned int i;
>  	int index;
> @@ -559,7 +559,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>  			      size_t mapping_size, enum dma_data_direction dir,
>  			      unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>  	unsigned long flags;
>  	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>  	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> -- 
> 2.32.0.288.g62a8d224e6-goog
> 
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID
From: Stefano Stabellini <sstabellini@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
	grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	jxgao@google.com, Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	airlied@linux.ie, Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, Rob Herring <robh+dt@kernel.org>,
	rodrigo.vivi@intel.com, bhelgaas@google.com,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	tfiga@chromium.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Thu, 17 Jun 2021 16:30:50 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2106171444510.24906@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210617062635.1660944-4-tientzu@chromium.org>

On Thu, 17 Jun 2021, Claire Chang wrote:
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
> 
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>

Acked-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  drivers/base/core.c    | 4 ++++
>  include/linux/device.h | 4 ++++
>  kernel/dma/swiotlb.c   | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index f29839382f81..cb3123e3954d 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -27,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
>  
> @@ -2736,6 +2737,9 @@ void device_initialize(struct device *dev)
>      defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
>  	dev->dma_coherent = dma_default_coherent;
>  #endif
> +#ifdef CONFIG_SWIOTLB
> +	dev->dma_io_tlb_mem = io_tlb_default_mem;
> +#endif
>  }
>  EXPORT_SYMBOL_GPL(device_initialize);
>  
> diff --git a/include/linux/device.h b/include/linux/device.h
> index ba660731bd25..240d652a0696 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -416,6 +416,7 @@ struct dev_links_info {
>   * @dma_pools:	Dma pools (if dma'ble device).
>   * @dma_mem:	Internal for coherent mem override.
>   * @cma_area:	Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:	For arch-specific additions.
>   * @of_node:	Associated device tree node.
>   * @fwnode:	Associated device node supplied by platform firmware.
> @@ -518,6 +519,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>  	struct cma *cma_area;		/* contiguous memory area for dma
>  					   allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +	struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>  	/* arch specific additions */
>  	struct dev_archdata	archdata;
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 2dba659a1e73..de79e9437030 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -340,7 +340,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>  			   enum dma_data_direction dir)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>  	unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
>  	phys_addr_t orig_addr = mem->slots[index].orig_addr;
> @@ -431,7 +431,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>  		size_t alloc_size)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned long boundary_mask = dma_get_seg_boundary(dev);
>  	dma_addr_t tbl_dma_addr =
>  		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -508,7 +508,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>  		size_t mapping_size, size_t alloc_size,
>  		enum dma_data_direction dir, unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>  	unsigned int i;
>  	int index;
> @@ -559,7 +559,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>  			      size_t mapping_size, enum dma_data_direction dir,
>  			      unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>  	unsigned long flags;
>  	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>  	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> -- 
> 2.32.0.288.g62a8d224e6-goog
> 

WARNING: multiple messages have this Message-ID
From: Stefano Stabellini <sstabellini@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	jxgao@google.com, Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	airlied@linux.ie, Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, Rob Herring <robh+dt@kernel.org>,
	bhelgaas@google.com, boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	tfiga@chromium.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [Intel-gfx] [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Thu, 17 Jun 2021 16:30:50 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2106171444510.24906@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210617062635.1660944-4-tientzu@chromium.org>

On Thu, 17 Jun 2021, Claire Chang wrote:
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
> 
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>

Acked-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  drivers/base/core.c    | 4 ++++
>  include/linux/device.h | 4 ++++
>  kernel/dma/swiotlb.c   | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index f29839382f81..cb3123e3954d 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -27,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
>  
> @@ -2736,6 +2737,9 @@ void device_initialize(struct device *dev)
>      defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
>  	dev->dma_coherent = dma_default_coherent;
>  #endif
> +#ifdef CONFIG_SWIOTLB
> +	dev->dma_io_tlb_mem = io_tlb_default_mem;
> +#endif
>  }
>  EXPORT_SYMBOL_GPL(device_initialize);
>  
> diff --git a/include/linux/device.h b/include/linux/device.h
> index ba660731bd25..240d652a0696 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -416,6 +416,7 @@ struct dev_links_info {
>   * @dma_pools:	Dma pools (if dma'ble device).
>   * @dma_mem:	Internal for coherent mem override.
>   * @cma_area:	Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:	For arch-specific additions.
>   * @of_node:	Associated device tree node.
>   * @fwnode:	Associated device node supplied by platform firmware.
> @@ -518,6 +519,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>  	struct cma *cma_area;		/* contiguous memory area for dma
>  					   allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +	struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>  	/* arch specific additions */
>  	struct dev_archdata	archdata;
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 2dba659a1e73..de79e9437030 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -340,7 +340,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>  			   enum dma_data_direction dir)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>  	unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
>  	phys_addr_t orig_addr = mem->slots[index].orig_addr;
> @@ -431,7 +431,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>  		size_t alloc_size)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned long boundary_mask = dma_get_seg_boundary(dev);
>  	dma_addr_t tbl_dma_addr =
>  		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -508,7 +508,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>  		size_t mapping_size, size_t alloc_size,
>  		enum dma_data_direction dir, unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>  	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>  	unsigned int i;
>  	int index;
> @@ -559,7 +559,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>  			      size_t mapping_size, enum dma_data_direction dir,
>  			      unsigned long attrs)
>  {
> -	struct io_tlb_mem *mem = io_tlb_default_mem;
> +	struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>  	unsigned long flags;
>  	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>  	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> -- 
> 2.32.0.288.g62a8d224e6-goog
> 
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2021-06-17 23:30 UTC|newest]

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-17  6:26 [PATCH v13 00/12] Restricted DMA Claire Chang
2021-06-17  6:26 ` [Intel-gfx] " Claire Chang
2021-06-17  6:26 ` Claire Chang
2021-06-17  6:26 ` Claire Chang
2021-06-17  6:26 ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 01/12] swiotlb: Refactor swiotlb init functions Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:30   ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-18  6:25     ` Claire Chang
2021-06-18  6:25       ` Claire Chang
2021-06-18  6:25       ` [Intel-gfx] " Claire Chang
2021-06-18  6:25       ` Claire Chang
2021-06-18  6:25       ` Claire Chang
2021-06-18  6:25       ` Claire Chang
2021-06-18 14:09       ` Tom Lendacky
2021-06-18 14:09         ` [Intel-gfx] " Tom Lendacky
2021-06-18 14:09         ` Tom Lendacky
2021-06-18 14:09         ` Tom Lendacky via iommu
2021-06-18 14:09         ` Tom Lendacky
2021-06-18 14:32         ` Christoph Hellwig
2021-06-18 14:32           ` [Intel-gfx] " Christoph Hellwig
2021-06-18 14:32           ` Christoph Hellwig
2021-06-18 14:32           ` Christoph Hellwig
2021-06-21 17:59           ` Stefano Stabellini
2021-06-21 17:59             ` Stefano Stabellini
2021-06-21 17:59             ` [Intel-gfx] " Stefano Stabellini
2021-06-21 17:59             ` Stefano Stabellini
2021-06-21 17:59             ` Stefano Stabellini
2021-06-21 17:59             ` Stefano Stabellini
2021-06-21 20:19             ` Christoph Hellwig
2021-06-21 20:19               ` [Intel-gfx] " Christoph Hellwig
2021-06-21 20:19               ` Christoph Hellwig
2021-06-21 20:19               ` Christoph Hellwig
2021-06-17  6:26 ` [PATCH v13 02/12] swiotlb: Refactor swiotlb_create_debugfs Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:30   ` Stefano Stabellini [this message]
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17  6:26 ` [PATCH v13 04/12] swiotlb: Update is_swiotlb_buffer to add a struct device argument Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:30   ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17  6:26 ` [PATCH v13 05/12] swiotlb: Update is_swiotlb_active " Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:30   ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17 23:30     ` Stefano Stabellini
2021-06-17  6:26 ` [PATCH v13 06/12] swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:31   ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17  6:26 ` [PATCH v13 07/12] swiotlb: Move alloc_size to swiotlb_find_slots Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 08/12] swiotlb: Refactor swiotlb_tbl_unmap_single Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 09/12] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17 23:31   ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` [Intel-gfx] " Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17 23:31     ` Stefano Stabellini
2021-06-17  6:26 ` [PATCH v13 10/12] swiotlb: Add restricted DMA pool initialization Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 11/12] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26 ` [PATCH v13 12/12] of: Add plumbing for " Claire Chang
2021-06-17  6:26   ` [Intel-gfx] " Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:26   ` Claire Chang
2021-06-17  6:32 ` [PATCH v13 00/12] Restricted DMA Claire Chang
2021-06-17  6:32   ` Claire Chang
2021-06-17  6:32   ` [Intel-gfx] " Claire Chang
2021-06-17  6:32   ` Claire Chang
2021-06-17  6:32   ` Claire Chang
2021-06-17  6:32   ` Claire Chang
2021-06-19  3:43   ` Claire Chang
2021-06-19  3:43     ` Claire Chang
2021-06-19  3:43     ` [Intel-gfx] " Claire Chang
2021-06-19  3:43     ` Claire Chang
2021-06-19  3:43     ` Claire Chang
2021-06-19  3:43     ` Claire Chang
2021-06-17  6:33 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork

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